IPv4 R&E Routing Table Report 23:05 GMT Sat 06 Jan, 2024 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 930655 Prefixes after maximum aggregation (per Origin AS): 356312 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456048 Number of IPv4 prefixes with a valid ROA: 432910 Number of IPv4 prefixes with an invalid ROA: 2942 Number of IPv4 prefixes with no ROA: 494803 Total ASes present in the Internet Routing Table: 75010 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64595 Origin ASes announcing only one prefix: 26551 Transit ASes present in the Internet Routing Table: 10415 Transit-only ASes present in the Internet Routing Table: 456 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1069 Number of instances of unregistered ASNs: 1071 Number of 32-bit ASNs allocated by the RIRs: 43318 Number of 32-bit ASNs visible in the Routing Table: 35567 Prefixes from 32-bit ASNs in the Routing Table: 178635 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 475 Number of addresses announced to Internet: 3047363584 Equivalent to 181 /8s, 163 /16s and 20 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 309645 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244634 Total APNIC prefixes after maximum aggregation: 71601 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237720 Unique aggregates announced from the APNIC address blocks: 99525 APNIC Region origin ASes present in the Internet Routing Table: 13781 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4137 APNIC Region transit ASes present in the Internet Routing Table: 1853 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9188 Number of APNIC addresses announced to Internet: 774099200 Equivalent to 46 /8s, 35 /16s and 209 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-153913 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 273101 Total ARIN prefixes after maximum aggregation: 124314 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277812 Unique aggregates announced from the ARIN address blocks: 132905 ARIN Region origin ASes present in the Internet Routing Table: 19039 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1843 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4822 Number of ARIN addresses announced to Internet: 1273168384 Equivalent to 75 /8s, 227 /16s and 2 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 261652 Total RIPE prefixes after maximum aggregation: 125021 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256207 Unique aggregates announced from the RIPE address blocks: 160945 RIPE Region origin ASes present in the Internet Routing Table: 28481 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3874 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11495 Number of RIPE addresses announced to Internet: 714272256 Equivalent to 42 /8s, 146 /16s and 238 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 119726 Total LACNIC prefixes after maximum aggregation: 28644 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118471 Unique aggregates announced from the LACNIC address blocks: 49442 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2351 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8904 Number of LACNIC addresses announced to Internet: 177697280 Equivalent to 10 /8s, 151 /16s and 114 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 30473 Total AfriNIC prefixes after maximum aggregation: 6026 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39970 Unique aggregates announced from the AfriNIC address blocks: 12837 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1158 Number of AfriNIC addresses announced to Internet: 107809792 Equivalent to 6 /8s, 109 /16s and 12 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9786 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4551 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3825 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3416 498 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2665 857 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 442 200 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9430 11194 3358 AMAZON-02, US 11492 4564 303 677 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 70 SHAW, CA 22773 3504 3037 291 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3206 1421 2326 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2962 3836 1417 DNIC-ASBLK-00306-00371, US 396982 2743 3639 389 GOOGLE-CLOUD-PLATFORM, US 7018 2507 23623 1577 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7509 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4001 3397 140 AKAMAI-ASN1, NL 9009 3468 298 1624 M247, RO 8551 3145 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2911 2301 912 ROSTELECOM-AS, RU 34984 2324 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 577 TCI, IR 8452 1471 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12191 3385 596 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2496 340 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1109 178 419 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1548 545 28 RAYA-AS, EG 24863 1531 389 16 LINKdotNET-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1073 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 516 53 42 WANANCHI-, KE 36914 501 82 3 KENET-AS, KE 37342 481 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12191 3385 596 UNINET, MX 9808 9786 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9430 11194 3358 AMAZON-02, US 12479 7509 1714 146 UNI2-AS, ES 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4564 303 677 CABLEONE, US 18403 4551 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 4001 3397 140 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9786 9736 CHINAMOBILE-CN China Mobile Communications Grou 12479 7509 7363 UNI2-AS, ES 16509 9430 6072 AMAZON-02, US 7545 5677 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4551 4526 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4564 3887 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3825 3805 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.169.88.0/24 Origin: 44658 CRAB-AS, US 23.169.88.0/24 Transit: 21738 ROZINT, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:36 /11:99 /12:301 /13:577 /14:1192 /15:2060 /16:13388 /17:8146 /18:13643 /19:24698 /20:43164 /21:51152 /22:109921 /23:99262 /24:562978 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6606 7509 UNI2-AS, ES 8151 6187 12191 UNINET, MX 11492 3478 4564 CABLEONE, US 6327 3372 3567 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 8551 2622 3145 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2555 3504 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2126 3523 Telmex Colombia S.A., CO 30036 2120 2464 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1406 3:281 4:5 5:4411 6:165 7:6 8:1495 9:1 11:172 12:1488 13:374 14:2327 15:309 16:206 17:361 18:712 20:345 21:4 22:188 23:6563 24:2667 25:2 27:2503 29:19 31:2535 32:53 34:36 35:118 36:2148 37:4482 38:5821 39:884 40:147 41:4124 42:2205 43:2291 44:324 45:16637 46:4311 47:285 49:1896 50:1878 51:574 52:1591 54:369 55:892 56:5 57:127 58:1855 59:1108 60:1012 61:2586 62:2751 63:1902 64:5491 65:2340 66:4956 67:3038 68:1336 69:4078 70:1174 71:572 72:2909 74:2637 75:1559 76:622 77:2339 78:1827 79:2892 80:2109 81:1856 82:1526 83:1320 84:1607 85:3031 86:779 87:1971 88:1226 89:3937 90:656 91:7897 92:2179 93:2627 94:3584 95:4000 96:1288 97:315 98:1014 99:744 100:94 101:1154 102:3017 103:32464 104:4766 105:600 106:973 107:2736 108:1121 109:4065 110:2136 111:3161 112:2080 113:1723 114:1743 115:2005 116:1957 117:2634 118:2775 119:1946 120:1767 121:1250 122:2624 123:2173 124:1593 125:2766 128:1402 129:899 130:1065 131:1967 132:823 133:411 134:1707 135:304 136:913 137:993 138:2705 139:1552 140:1345 141:1343 142:1538 143:1534 144:998 145:335 146:1999 147:1637 148:2505 149:2409 150:1018 151:1312 152:1960 153:529 154:5503 155:1377 156:2091 157:1380 158:1081 159:2200 160:2621 161:1615 162:3584 163:1661 164:1612 165:2095 166:1064 167:1689 168:3807 169:792 170:4710 171:973 172:3780 173:2999 174:891 175:1215 176:3577 177:4632 178:3523 179:2219 180:2352 181:3649 182:3412 183:2021 184:2269 185:20454 186:4781 187:4316 188:3987 189:3952 190:9322 191:1472 192:10995 193:8947 194:7356 195:5213 196:3167 197:2617 198:5885 199:6889 200:8012 201:6251 202:10175 203:10040 204:4574 205:3663 206:4402 207:3378 208:4076 209:4917 210:4344 211:2496 212:4220 213:3381 214:1109 215:50 216:6773 217:2751 218:1295 219:414 220:1818 221:1019 222:687 223:2187 End of report